Home / 2,102.43-3,154.85-2,097.51

Finding the Fourth Proportional to 2,102.43, 3,154.85 and 2,097.51

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Solution

The fourth proportional to 2,102.43, 3,154.85 and 2,097.51 is: 3,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.43 : 3,154.85 = 2,097.51 : x
  2. Step 2: Convert to fraction form
    2,102.43/3,154.85 = 2,097.51/x
  3. Step 3: Cross multiply
    2,102.43x = 3,154.85 × 2,097.51
  4. Step 4: Simplify right side
    2,102.43x = 6,617,318.94
  5. Step 5: Solve for x
    x = 6,617,318.94/2,102.43
  6. Step 6: Final answer
    x = 3,147.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.